CN103829929B - A kind of portable body load physiology and biomechanics monitoring device - Google Patents
A kind of portable body load physiology and biomechanics monitoring device Download PDFInfo
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- CN103829929B CN103829929B CN201410066544.8A CN201410066544A CN103829929B CN 103829929 B CN103829929 B CN 103829929B CN 201410066544 A CN201410066544 A CN 201410066544A CN 103829929 B CN103829929 B CN 103829929B
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Abstract
The present invention relates to a kind of portable body load physiology and biomechanics monitoring device, it is characterized in that: it comprises a physiology fatigue state detecting unit, a biomechanics detecting signal unit and a data collection and analysis unit.Adopt the present invention can carry out field load walking test, get physiology and the biomechanical data of human body under true load walking states; And the tightness of the shoulder of detection in real time and display knapsack, breast, belt and poised state, guarantee that knapsack is used properly, avoid the load fatigue because knapsack improper use causes, exclusive PCR factor, therefore truly, objectively can monitor the impact of the Factors on Human Systemic Burden fatigues such as BW, travel time, knapsack design.The present invention can be widely used in the research fields such as anthropometry, biomechanics and ergonomics.
Description
Technical field
The present invention relates to a kind of physiology and biomechanics monitoring device, particularly about a kind of can Real-Time Monitoring and gather portable body load physiology and the biomechanics monitoring device of body burden physiology and biomechanics signal in the wild or in outdoor test.
Background technology
Usually need to carry out back load walking field people such as military training, field survivorship, outdoor activity and work carryings.The human body back changing load position of centre of body weight, affects gait and the body gesture of people, and especially excessive the or long-time load walking of load very easily causes physical fatigue and damage.Therefore, in sport biomechanics field, Chinese scholars has all extensively carried out physiology and the biomechanics Research such as gait, attitude, feeling of fatigue, energy expenditure of body burden walking.At present, the general employing of such test two class methods are carried out: laboratory simulation method of testing and Field simulation method of testing.
Laboratory simulation method of testing generally adopts motion platform to carry out the walking of simulation load, is equipped with physiology, biomechanical parameter checkout equipment that series is applicable to the stationary applica-tions uses such as laboratory.Although laboratory simulation method of testing testing equipment is complete and all do not limit testing equipment volume, communication, storage and power supply mode, experiment condition (humiture etc.) also easily controls, but the walking of laboratory simulation method of testing many employings treadmill simulation load, very big difference is there is in this analog form with actual walking, especially long-time load is walked, actual walking is more high than the degree of fatigue of the treadmill Walk Simulation of similarity condition, and the result of therefore testing differs larger with practical situation.Field simulation method of testing refers to organize volunteer to carry out the walking of outdoor environment Imitating load, at interval of certain hour, subject is needed to stop, plurality of devices is adopted to complete the detection of serial physiology, biochemistry, biomechanical parameter, the laggard row data summarization of off-test and statistics by experimenter.Field simulation method of testing can get physiology and the biomechanics signal of human body under true load walking states, carry out ergonomic evaluation monitoring based on these real experimental datas, feeling of fatigue, fatigue limit etc. that the most effective model or method are walked with monitoring human load can be obtained.But under field condition, the experimental facilities of standard all cannot be applied, such as: adopt complicated motion tracking technology (as: infrared moving tracking technique, electromagnetic motion tracking technique and shooting motion tracking technology) to follow the tracks of the relative motion of human body and knapsack in the lab.And all high requirement is proposed to power supply, storage and communication mode.The interval metering system test operation generally adopted is loaded down with trivial details, and data statistics workload is comparatively large, easily introduces personal error.Therefore, the body burden physiology and the biomechanics monitoring device that design a kind of applicable field usage be convenient for carrying is necessary.
Summary of the invention
For the problems referred to above, the object of this invention is to provide a kind of can in the wild, get the physiology of body burden walking and the portable body load physiology of biomechanics signal and biomechanics monitoring device under dynamic environment.
For achieving the above object, the present invention takes following technical scheme: a kind of portable body load physiology and biomechanics monitoring device, is characterized in that: it comprises a physiology fatigue state detecting unit, a biomechanics detecting signal unit and a data collection and analysis unit; Described physiological fatigue state detection unit comprises an EGC sensor, a respiration pickup, a human motion sensor and physiological fatigue signal detection and a processing module; Described physiological fatigue signal detection and processing module comprise a physiology signal conditioning circuit and a first microprocessor; Described EGC sensor, respiration pickup are connected described physiological fatigue signal detection and processing module with human motion sensor respectively by wired mode; Described biomechanics detecting signal unit comprises a knapsack motion sensor, a left shoulder belt pulling force sensor, a right shoulder belt pulling force sensor, a chest band pulling force sensor, a waist band pulling force sensor and biomechanics signal detection and a processing module; Described biomechanics signal detection and processing module adopt a biomechanics signal conditioning circuit and one second microprocessor; Described knapsack motion sensor, left shoulder belt pulling force sensor, right shoulder belt pulling force sensor, chest band pulling force sensor are connected described biomechanics signal detection and processing module with waist band pulling force sensor respectively by wired mode; Described data collection and analysis unit comprises one the 3rd microprocessor and a display screen; Described physiological fatigue state detection unit is connected described data collection and analysis unit with described biomechanics detecting signal unit respectively by one of wireless and wired mode; Described EGC sensor, respiration pickup and human motion sensor send the electrocardio of collection, breathing and acceleration signal to described physiological fatigue signal detection and processing module; After described physiological fatigue signal detection and processing module process, obtain heart rate, heart rate variability, breathing rate, human energy expenditure and body posture index, and send described data collection and analysis unit to; Described knapsack motion sensor, left shoulder belt pulling force sensor, right shoulder belt pulling force sensor, chest band pulling force sensor and waist band pulling force sensor send the left and right backpack strap pulling force of collection, chest band pulling force and waist band pulling force signal to described biomechanics signal detection and processing module; After described biomechanics signal detection and processing module process, obtain knapsack kinestate and pulling force index, and send described data collection and analysis unit to; Described 3rd microprocessor of described data collection and analysis unit is by after the human motion state information of reception and knapsack movement state information, calculate the relative movement information of human body and knapsack, and show body burden physiology and biomechanics signal in real time by described display screen.
Described first microprocessor, described second microprocessor and described 3rd microprocessor adopt one of single-chip microcomputer and ARM.
Described human motion sensor and described knapsack motion sensor adopt 3-axis acceleration sensor.
Described left shoulder belt pulling force sensor, right shoulder belt pulling force sensor, chest band pulling force sensor and waist band pulling force sensor adopt Minitype tension sensor; Described Minitype tension sensor comprises " 7 " type fixed structure piece that a Minitype tension sensor main body, two is arranged on described Minitype tension sensor main body two ends is connected described data collection and analysis unit and described Minitype tension sensor main body data wire with one.
The elastic chest bandage of described physiological fatigue state detection unit and direct body contact with the use of; It is inner that described EGC sensor and described respiration pickup are arranged on described elastic chest bandage, described human motion sensor and described physiological fatigue signal detection and processing module are arranged on outside described elastic chest bandage, and described human motion sensor can be arranged on described physiological fatigue signal detection and processing module is inner.
Described biomechanics detecting signal unit and knapsack with the use of; Described knapsack motion sensor is arranged on centroid position in described knapsack, described left shoulder belt pulling force sensor is fixed on the waist location of the bottom of shoulder belt on the left of described knapsack, described right shoulder belt pulling force sensor is fixed on the waist location on the right side of described knapsack bottom shoulder belt, described chest band pulling force sensor is fixed on chest band centre position, and described waist band pulling force sensor is fixed on waist band centre position.
The present invention is owing to taking above technical scheme, it has the following advantages: the physiological fatigue state detection unit that 1, the present invention adopts can obtain the indexs such as heart rate, heart rate variability, breathing rate, human energy expenditure and body posture, and is sent to data collection and analysis unit; And the biomechanics detecting signal unit adopted can detect the pulling force of knapsack kinestate, the left shoulder belt of knapsack, right shoulder belt, chest band and waist band in real time, and sent to data collection and analysis unit; Obtained body burden physiology and biomechanics signal carry out gathering, store and analyzing by data collection and analysis unit, on the one hand may be used for carrying out field load walking test, get physiology and the biomechanical data of human body under true load walking states; On the other hand, whether suitable owing to can detect and show shoulder strap for bag, pectoral girdle, the length of belt or tightness in real time, thus guarantee that knapsack is used in the correct way, and then the load fatigue that effectively prevent because knapsack improper use causes, eliminate interference factor, therefore truly, objectively can monitor the impact of the Factors on Human Systemic Burden fatigues such as BW, travel time, knapsack design.The present invention by all component integrations in portable equipment, original activity can't be affected in carrying process, compared to motion platform simulation test in laboratory, more contribute to getting physiology, the biomechanical parameter under true load walking states, carry out ergonomic's monitoring.2, the physiological fatigue state detection unit that adopts of the present invention and biomechanics detecting signal unit can detect kinestate and the human motion state of knapsack simultaneously, therefore the relative motion obtaining human body and knapsack can be calculated, establish technical foundation for carrying out field stress test, and known that the relative motion between human body and knapsack all has very important significance to appraiser's Systemic Burden degree of fatigue, knapsack performance.The present invention can be widely used in the research fields such as anthropometry, biomechanics and ergonomics.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention
Fig. 2 is application state schematic diagram of the present invention
Fig. 3 is the application state schematic diagram of biomechanics detecting signal unit of the present invention
Fig. 4 is Minitype tension sensor structural representation of the present invention
Detailed description of the invention
Below in conjunction with drawings and Examples, the present invention is described in detail.
As described in Figure 1, the present invention includes physiological fatigue state detection unit 1, biomechanics detecting signal unit 2 and data collection and analysis unit 3.
Physiological fatigue state detection unit 1 of the present invention comprises EGC sensor 11, respiration pickup 12, human motion sensor 13 and physiological fatigue signal detection and processing module 14.Wherein, EGC sensor 11 and respiration pickup 12 can adopt conventional electrocardio, respiration pickup, therefore no longer describe in detail.Human motion sensor 13 can adopt 3-axis acceleration sensor, as the ADXL345 of ADI company.Physiological fatigue signal detection and processing module 14 comprise regulating physiological signals circuit and first microprocessor, and regulating physiological signals circuit comprises conventional signal amplification circuit and filter circuit etc.First microprocessor can adopt the single-chip microcomputer of built-in mould number converter, as MSP430 series 16 low-power scm MSP430F2274, can also adopt ARM, as EFM32ZeroGecko series EFM32ZG210.EGC sensor 11, respiration pickup 12, human motion sensor 13 connect physiological fatigue signal detection and processing module 14 respectively by wired mode.
As shown in Figure 2, physiological fatigue state detection unit 1 and the elastic chest bandage 4 directly contacting human body with the use of, wherein: it is inner that EGC sensor 11 and respiration pickup 12 are arranged on elastic chest bandage 4, human motion sensor 13 and physiological fatigue signal detection and processing module 14 are arranged on outside elastic chest bandage 4; Human motion sensor 13 also can embed physiological fatigue signal detection and processing module 14 is inner.In the present embodiment, EGC sensor 11, respiration pickup 12 and human motion sensor 13 send physiological fatigue signal detection and processing module 14 by collecting the electrocardio of human body simulation signal, breathing and the acceleration signal for digital signal to by shielded conductor.
Biomechanics detecting signal unit 2 of the present invention comprises knapsack motion sensor 21, left shoulder belt pulling force sensor 22, right shoulder belt pulling force sensor 23, chest band pulling force sensor 24, waist band pulling force sensor 25 and biomechanics signal detection and processing module 26.Knapsack motion sensor 21 can adopt 3-axis acceleration sensor, as the ADXL345 of ADI company.Biomechanics signal detection and processing module 26 comprise biomechanics signal conditioning circuit and the second microprocessor.Biomechanics signal conditioning circuit comprises conventional signal amplification circuit and filter circuit etc.Second microprocessor can adopt low-power scm or the ARM of built-in high-precision adc, and as C8051F series 8 low-power scm C8051F351, its built-in 24 A/D modular converters, can meet high precision pull signal detection demand.Knapsack motion sensor 21, left shoulder belt pulling force sensor 22, right shoulder belt pulling force sensor 23, chest band pulling force sensor 24 are connected biomechanics signal detection and processing module 26 with waist band pulling force sensor 25 respectively by wired mode.
As shown in Figure 2 and Figure 3, biomechanics detecting signal unit 2 and knapsack 5 with the use of, wherein: knapsack motion sensor 21 is arranged on centroid position in knapsack 5, left shoulder belt pulling force sensor 22 is fixed on the bottom of shoulder belt on the left of knapsack 5 near waist slightly upper position, right shoulder belt pulling force sensor 23 to be fixed on the right side of knapsack 5 bottom shoulder belt near waist slightly upper position, chest band pulling force sensor 24 is fixed on chest band centre position, and waist band pulling force sensor 25 is fixed on waist band centre position.In the present embodiment, knapsack motion sensor 21, left shoulder belt pulling force sensor 22, right shoulder belt pulling force sensor 23, chest band pulling force sensor 24, waist band pulling force sensor 25 send the left and right backpack strap pulling force of collection, chest band pulling force, waist band pulling force signal to biomechanics signal detection and processing module 26 by shielded conductor.
As shown in Figure 4, above-mentioned left shoulder belt pulling force sensor 22, right shoulder belt pulling force sensor 23, chest band pulling force sensor 24 and waist band pulling force sensor 25 can adopt Minitype tension sensor 27.Minitype tension sensor 27 comprises Minitype tension sensor main body 271, is arranged on the data wire 273 of " 7 " the type fixed structure piece 272 at Minitype tension sensor main body 271 two ends and connection data gather and analysis unit 3 and Minitype tension sensor main body 271.The fixed structure piece 272 at two ends is fixed on backpack strip, to detect backpack strap or band pulling force.According to actual needs, the Minitype tension sensor of other structures can also be selected.
Data collection and analysis unit 3 of the present invention comprises the 3rd microprocessor 31 and display screen 32.3rd microprocessor 31 can adopt low-power consumption, high performance single-chip microcomputer or ARM(as EFM32ZG210, C8051F930).The threshold value detecting backpack strap, pectoral girdle, the length of belt or the threshold value of degree of tightness and right and left shoulders load can be set in the 3rd microprocessor 31, and pass through kinestate and the human motion state information of the synchronous knapsack obtained, calculate the relative movement information of human body and knapsack.Display screen 32 can show the pulling force situation that left shoulder belt pulling force sensor 22, right shoulder belt pulling force sensor 23, chest band pulling force sensor 24 and waist band pulling force sensor 25 detect in real time, whether length or the degree of tightness of prompting backpack strap, pectoral girdle, belt be suitable, whether right and left shoulders load balances, and when exceeding the Human Physiology limit or ability to bear, display screen 32 can also show early warning.
As shown in Figure 2, data collection and analysis unit 3 adopts portable encapsulation to be arranged on belt, also can put into pocket.
Between above-mentioned physiological fatigue state detection unit 1 and data collection and analysis unit 3, communication mode between biomechanics detecting signal unit 2 and data collection and analysis unit 3 can be wire communication, as adopted the serial communication mode (as the present embodiment) etc. by SPI, IIC or RS-232 of shielded conductor; Also can be the short-range radio communication of low-power consumption, as bluetooth, Zigbee etc.
Above-mentioned data collection and analysis unit 3 can also comprise the wireless communication module connecting exterior terminal, wireless communication module can adopt the radio communication of the medium and long distances such as WIFI, Zigbee or 3G, the data that data collection and analysis unit 3 is collected are sent to exterior terminal by wireless communication module, to realize many people Centralizing inspection, especially in army's mock battle or training, commander can grasp physiological fatigue state and the load march ability of each soldier by the present invention, contribute to improving training effect, reduce training-related injury.
When the present invention uses, first microprocessor is sent to after the process such as the electrocardio obtained, breath signal carry out amplifying by the regulating physiological signals circuit of physiological fatigue state detection unit 1, filtering, first microprocessor carries out analog digital conversion to electrocardio, breath signal, and calculate the indexs such as heart rate, heart rate variability, breathing rate, human energy expenditure, body posture in conjunction with acceleration signal, send these indexs to data collection and analysis unit 3.Send the second microprocessor to after the process such as gathered signal carries out amplifying by the biomechanics signal conditioning circuit of biomechanics detecting signal unit 2, filtering, the second microprocessor carries out analog digital conversion and calculates knapsack kinestate and pulling force index sends data collection and analysis unit 3 to.Physiological fatigue information, biomechanical information that 3rd microprocessor 31 of data collection and analysis unit 3 will receive, monitoring human degree of fatigue is carried out by multisource data fusion analysis, namely compare according to the physiology of Real-time Collection and biomechanical information and preset fatigue degree threshold value, and then the fatigue state of monitoring human, and its development trend is predicted, as maximum duration, maximum distance etc. that continuous duty is walked can be predicted.
The various embodiments described above are only for illustration of the present invention; wherein the structure of each parts, connected mode and processing technology etc. all can change to some extent; every equivalents of carrying out on the basis of technical solution of the present invention and improvement, all should not get rid of outside protection scope of the present invention.
Claims (10)
1. portable body load physiology and a biomechanics monitoring device, is characterized in that: it comprises a physiology fatigue state detecting unit, a biomechanics detecting signal unit and a data collection and analysis unit;
Described physiological fatigue state detection unit comprises an EGC sensor, a respiration pickup, a human motion sensor and physiological fatigue signal detection and a processing module; Described physiological fatigue signal detection and processing module comprise a physiology signal conditioning circuit and a first microprocessor; Described EGC sensor, respiration pickup are connected described physiological fatigue signal detection and processing module with human motion sensor respectively by wired mode;
Described biomechanics detecting signal unit comprises a knapsack motion sensor, a left shoulder belt pulling force sensor, a right shoulder belt pulling force sensor, a chest band pulling force sensor, a waist band pulling force sensor and biomechanics signal detection and a processing module; Described biomechanics signal detection and processing module adopt a biomechanics signal conditioning circuit and one second microprocessor; Described knapsack motion sensor, left shoulder belt pulling force sensor, right shoulder belt pulling force sensor, chest band pulling force sensor are connected described biomechanics signal detection and processing module with waist band pulling force sensor respectively by wired mode;
Described data collection and analysis unit comprises one the 3rd microprocessor and a display screen;
Described physiological fatigue state detection unit is connected described data collection and analysis unit with described biomechanics detecting signal unit respectively by one of wireless and wired mode;
Described EGC sensor, respiration pickup and human motion sensor send the electrocardio of collection, breathing and acceleration signal to described physiological fatigue signal detection and processing module; After described physiological fatigue signal detection and processing module process, obtain heart rate, heart rate variability, breathing rate, human energy expenditure and body posture index, and send described data collection and analysis unit to; Described knapsack motion sensor, left shoulder belt pulling force sensor, right shoulder belt pulling force sensor, chest band pulling force sensor and waist band pulling force sensor send the left and right backpack strap pulling force of collection, chest band pulling force and waist band pulling force signal to described biomechanics signal detection and processing module; After described biomechanics signal detection and processing module process, obtain knapsack kinestate and pulling force index, and send described data collection and analysis unit to; Described 3rd microprocessor of described data collection and analysis unit passes through human motion state information and the knapsack movement state information of reception, calculate the relative movement information of human body and knapsack, and show body burden physiology and biomechanics signal in real time by described display screen.
2. a kind of portable body load physiology as claimed in claim 1 and biomechanics monitoring device, is characterized in that: described first microprocessor, described second microprocessor and described 3rd microprocessor adopt one of single-chip microcomputer and ARM.
3. a kind of portable body load physiology as claimed in claim 1 and biomechanics monitoring device, is characterized in that: described human motion sensor and described knapsack motion sensor adopt 3-axis acceleration sensor.
4. a kind of portable body load physiology as claimed in claim 2 and biomechanics monitoring device, is characterized in that: described human motion sensor and described knapsack motion sensor adopt 3-axis acceleration sensor.
5. a kind of portable body load physiology as claimed in claim 1 or 2 or 3 or 4 and biomechanics monitoring device, is characterized in that: described left shoulder belt pulling force sensor, right shoulder belt pulling force sensor, chest band pulling force sensor and waist band pulling force sensor adopt Minitype tension sensor; Described Minitype tension sensor comprises " 7 " type fixed structure piece that a Minitype tension sensor main body, two is arranged on described Minitype tension sensor main body two ends is connected described data collection and analysis unit and described Minitype tension sensor main body data wire with one.
6. a kind of portable body load physiology as claimed in claim 1 or 2 or 3 or 4 and biomechanics monitoring device, is characterized in that: the elastic chest bandage of described physiological fatigue state detection unit and direct body contact with the use of; It is inner that described EGC sensor and described respiration pickup are arranged on described elastic chest bandage, described human motion sensor and described physiological fatigue signal detection and processing module are arranged on outside described elastic chest bandage, and described human motion sensor can be arranged on described physiological fatigue signal detection and processing module is inner.
7. a kind of portable body load physiology as claimed in claim 5 and biomechanics monitoring device, is characterized in that: the elastic chest bandage of described physiological fatigue state detection unit and direct body contact with the use of; It is inner that described EGC sensor and described respiration pickup are arranged on described elastic chest bandage, described human motion sensor and described physiological fatigue signal detection and processing module are arranged on outside described elastic chest bandage, and described human motion sensor can be arranged on described physiological fatigue signal detection and processing module is inner.
8. a kind of portable body load physiology as described in claim 1 or 2 or 3 or 4 or 7 and biomechanics monitoring device, is characterized in that: described biomechanics detecting signal unit and knapsack with the use of; Described knapsack motion sensor is arranged on centroid position in described knapsack, described left shoulder belt pulling force sensor is fixed on the waist location of the bottom of shoulder belt on the left of described knapsack, described right shoulder belt pulling force sensor is fixed on the waist location on the right side of described knapsack bottom shoulder belt, described chest band pulling force sensor is fixed on chest band centre position, and described waist band pulling force sensor is fixed on waist band centre position.
9. a kind of portable body load physiology as claimed in claim 5 and biomechanics monitoring device, is characterized in that: described biomechanics detecting signal unit and knapsack with the use of; Described knapsack motion sensor is arranged on centroid position in described knapsack, described left shoulder belt pulling force sensor is fixed on the waist location of the bottom of shoulder belt on the left of described knapsack, described right shoulder belt pulling force sensor is fixed on the waist location on the right side of described knapsack bottom shoulder belt, described chest band pulling force sensor is fixed on chest band centre position, and described waist band pulling force sensor is fixed on waist band centre position.
10. a kind of portable body load physiology as claimed in claim 6 and biomechanics monitoring device, is characterized in that: described biomechanics detecting signal unit and knapsack with the use of; Described knapsack motion sensor is arranged on centroid position in described knapsack, described left shoulder belt pulling force sensor is fixed on the waist location of the bottom of shoulder belt on the left of described knapsack, described right shoulder belt pulling force sensor is fixed on the waist location on the right side of described knapsack bottom shoulder belt, described chest band pulling force sensor is fixed on chest band centre position, and described waist band pulling force sensor is fixed on waist band centre position.
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| CN104586377B (en) * | 2014-12-27 | 2017-04-12 | 深圳市前海安测信息技术有限公司 | Detection system and method for predicting task execution ability of soldier |
| CN104825174B (en) * | 2015-04-17 | 2017-11-07 | 深圳还是威健康科技有限公司 | The detection method and terminal of a kind of fatigue state |
| CN106308788B (en) * | 2015-06-23 | 2020-11-17 | 上海远心医疗科技有限公司 | Portable electrocardio monitoring facilities |
| CN105738191B (en) * | 2016-02-04 | 2018-05-29 | 南京邮电大学 | A kind of joint load ability measurement device |
| CN107736886A (en) * | 2016-08-14 | 2018-02-27 | 郑州动量科技有限公司 | With real-time heart rate remote sensing exercise load monitoring and evaluation method and its system |
| CN106108351A (en) * | 2016-09-21 | 2016-11-16 | 福建省百互联网科技有限公司 | A kind of intelligent student's knapsack |
| CN107064245A (en) * | 2017-04-26 | 2017-08-18 | 刘丽 | A kind of portable gas detection means |
| CN108209902B (en) * | 2017-05-25 | 2020-09-22 | 深圳市未来健身科技有限公司 | Athlete competitive state evaluation method and system |
| CN109966122A (en) * | 2017-12-28 | 2019-07-05 | 沈阳新松机器人自动化股份有限公司 | A kind of walking ancillary equipment of intelligent decision fatigue strength |
| CN108937946A (en) * | 2018-07-25 | 2018-12-07 | 南京信息工程大学 | A kind of human spine real-time monitoring system and its control method |
| CN109009027A (en) * | 2018-08-27 | 2018-12-18 | 南阳市中心医院 | A kind of Backpack type surgery diagnosis and treatment monitor device |
| CN111773638A (en) * | 2020-07-21 | 2020-10-16 | 叶镇宽 | Adjustable feedback type respiratory function rehabilitation training device and using method |
| CN114668587A (en) * | 2022-02-28 | 2022-06-28 | 华北理工大学 | Intelligent ventilation protection and elastic chest strap device for acute lung injury patient |
| CN115127712A (en) * | 2022-06-10 | 2022-09-30 | 芯海科技（深圳）股份有限公司 | Backpack posture detection method and device, backpack and storage medium |
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| US5353793A (en) * | 1991-11-25 | 1994-10-11 | Oishi-Kogyo Company | Sensor apparatus |
| AU2003285679A1 (en) * | 2003-12-19 | 2005-08-03 | Michael Rufer | Elastic textile structures for sensing body movements |
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